CVE-2026-41344
MEDIUMOpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter
Title source: cnaDescription
OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the chat.send endpoint that allows write-scoped gateway callers to persist admin-only verboseLevel session overrides. Attackers can exploit the /verbose parameter to bypass access controls and expose sensitive reasoning or tool output intended to be restricted to administrators.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-5h2w-qmfp-ggp6)
https://github.com/openclaw/openclaw/security/advisories/GHSA-5h2w-qmfp-ggp6
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-chat-send-verbose-parameter
Scores
CVSS v3
5.4
EPSS
0.0021
EPSS Percentile
11.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (4)
npm/openclaw
0 - 2026.3.28npm
OpenClaw/OpenClaw
< 2026.3.28
openclaw/openclaw
< 2026.3.28
OpenClaw/OpenClaw
2026.3.28
Published
Apr 23, 2026
Tracked Since
Apr 24, 2026